Number | Name | Date | Kind |
---|---|---|---|
D249687 | Imazeki | Sep 1978 | |
D316716 | Nagata | May 1991 | |
D327688 | Ito et al. | Jul 1992 | |
D328073 | Yamakawa | Jul 1992 | |
4969830 | Daly et al. | Nov 1990 |
Entry |
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Design; Apr. 1986; p. 27; Quad Stereo System on lower right, middle component. |